Find the values of a, b, and c of the following quadratic equations. Write your answers on the blanks provided 1.2^2-14×=21 2. 2x^2 - 5x + 20 = 3x 3. X(2x - 6) = 15 4. (x + 1) (X - 4) =1 5. (x-8)(x + 4) = 6(x - 2) ^2yung may ganyo sataass naka pwesto